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Four elements(A,B,C and D) required to produce a drug for ebola virus treatment are to be mixed in the ratio 1:2:4:5,if the information is to be represented on a pie chart,what percentage will element C have on the pie chart?

Answer :

to do this problem, we first need to add the numbers of the ratio together

1 + 2 + 4 + 5 = 12

element c would be the 4 so 4/12 is 1/3

element c would be 1/3 of the pie chart

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